@misc{indiciae33bc46ab49d3, title = {Evaluation of a new electronic spirometer.}, author = {W D Visick and H B Fairley and R F Hickey}, year = {1971}, doi = {10.1097/00000542-197105000-00026}, url = {https://pubmed.ncbi.nlm.nih.gov/5554590/}, note = {Source identifier: 5554590} }